Secondsry attack rate
[医] 二代发病率
🧩 词语组成解析
attack
[ə'tæk]
vt.& vi. 攻击，进攻，抨击;
n. 攻击;抨击;（队员等的）进攻;（疾病）侵袭;
vt. 抨击;非难;侵袭;损害;
rate
[reit]
n. 速度;比率;等级;（利息等的）费率;
vt. 估价;值得;责骂;定级;
vt.& vi. 认为，把…算作;
vi. 被评价;被认为;被列入;申斥;
🗣️ 情景例句
A little going-away present.
一个小小的临别礼物。
I would like to develop this film.
我要晒印这底片。
and no father is confronted with his inability to 'buy'an education for his child.
也不存在父亲无力为孩子支付教育费用而犯难的问题。